I have the original kickstarter Pod and have gotten to know the schematics fairly well, they’ve basically just broken out the pins that are not already consumed by the Pod architecture. Whether you’re using an OLED with SPI or I2C interface you do still have all the SPI and I2C pins, the Reset line is the one that could be an issue depending on what you want to do. I recently ported the oscilloscope program from this topic Is an Audio In OLED oscilloscope possible? to the Pod so it would use the built-in pots, and used D16 for the Reset since I wasn’t connecting anything else (my display is SPI).
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